If an electromagnetic wave moves in the $+x$ direction, and its magnetic field disturbance is in the $+z$ direction, what polarization does this wave have?
A) Upright polarization
B) Horizontal polarization
C) One cannot answer without more information.

Question

Quizplus · Accepted Answer

The electromagnetic wave is polarized in the direction perpendicular to the direction of the magnetic field disturbance. Since the magnetic field is in the $+z$ direction, the electric field (and thus the polarization of the wave) is in the $+y$ direction, which is considered horizontal polarization when the wave is moving in the $+x$ direction.

If an Electromagnetic Wave Moves in The +x+x+x Direction, and Its Magnetic Field Disturbance Is in The

If an Electromagnetic Wave Moves in The $+x$ Direction, and Its Magnetic Field Disturbance Is in The